CVE-2026-67410

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.3.3 and 4.2.9, OAuth2 Client Secret Exposed via Unauthenticated JavaScript Endpoint (CWE-200). when OAuth2 authentication is enabled for the RabbitMQ Management UI and the configured flow, IDP use a client secret, the oauthclientsecret configuration value is included in the JavaScript served by the unauthenticated endpoint /js/oidc-oauth/bootstrap.js. Any user who can reach the management UI port can retrieve the OAuth2 client secret without Files: deps/rabbitmqmanagement/src/rabbitmgmtwmauth.erl, line 186 deps/rabbitmqmanagement/src/rabbitmgmtoauthbootstrap.erl, lines 35-50 deps/rabbitmqmanagement/src/rabbitmgmtdispatcher.erl, lines 45-49 (route registration) Code Path: 1. The route /js/oidc-oauth/bootstrap.js is registered as a plain Cowboy handler (rabbitmgmtdispatcher.erl:46): Credential exposure for the affected configuration: OAuth2 client secret is accessible without any authentication Token theft: Attacker can complete the authorization code flow using stolen authorization codes Client impersonation: Attacker can make requests. Any RabbitMQ deployment with: This issue is fixed in versions 4.3.3 and 4.2.9.

• CWE-200

• https://github.com/rabbitmq/rabbitmq-server/commit/60a85d3605ebf94fd234497242812547d441d457Patch
• https://github.com/rabbitmq/rabbitmq-server/commit/869f800998334bb363f2ad046f58de9caedc409ePatch
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9Release Notes
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3Release Notes
• https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f9f2-q3jf-wfj3Exploit, Vendor Advisory

Published

Sep 25, 2026

Last Modified

Oct 8, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-67405RabbitMQ is a messaging and streaming broker. Prior to versi…8.1
• CVE-2026-67406RabbitMQ is a messaging and streaming broker. From 4.0.0 unt…6.5
• CVE-2026-67407RabbitMQ is a messaging and streaming broker. From 4.0.0 unt…7.1
• CVE-2026-67408RabbitMQ is a messaging and streaming broker. From 4.1.0 unt…6.5
• CVE-2026-67409RabbitMQ is a messaging and streaming broker. From 3.13.0 un…6.5
• CVE-2026-6741The LatePoint – Calendar Booking Plugin for Appointments and…8.8
• CVE-2026-67411RabbitMQ is a messaging and streaming broker. From 3.13.0 un…7.1
• CVE-2026-67412RabbitMQ is a messaging and streaming broker. From 3.13.0 un…7.1
• CVE-2026-67413RabbitMQ is a messaging and streaming broker. From 4.0.0 unt…6.5
• CVE-2026-67414RabbitMQ is a messaging and streaming broker. From 4.0.0 unt…6
• CVE-2026-67415RabbitMQ is a messaging and streaming broker. From 4.2.0 unt…4.9
• CVE-2026-67416RabbitMQ is a messaging and streaming broker. From 4.0.0 unt…5.3